Step Functions - Remove STS-client and refer to hardcoded account-id
Step Functions - Remove STS-client and refer to hardcoded account-id

spulec/moto,william-richard/moto,william-richard/moto,spulec/moto,william-richard/moto,william-richard/moto,spulec/moto,spulec/moto,william-richard/moto,spulec/moto,william-richard/moto,spulec/moto